Investigation of Trypanosoma evansi infection in different animals in Northern Egyp | ||||
| Egyptian Veterinary Medical Society of Parasitology Journal (EVMSPJ) | ||||
| Volume 20, Issue 1, 2024, Page 58-72 | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/evmspj.2024.371888 | ||||
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| Author | ||||
| Nadia E. Labn | ||||
| Departement of Parasitology, Faculty of Veterinary Medicine, Alexandria University | ||||
| Abstract | ||||
| Surra is a chronic disease caused by Trypanosoma evansi which is transmitted mechanically by Tabanus and Stomoxys spp. In the present study, 300 blood samples were collected from six different animal species of cattle, buffaloes, sheep, goats, equines, and dogs from small farmer’s holders, medium-sized farms, and from animals slaughtered at abattoirs in Alexandria and Beheira governorates. Blood samples were examined by Giemsa-stained blood smear and Polymerase Chain Reaction (PCR) to detect T. evansi. The study revealed that overall prevalence according to microscopy examination and PCR were 0.0% (0.0/300) and 57.78% (104/180), respectively. The infection rates in different animal species were as follows; cattle, 46.67% (14/30); buffaloes, 70% (21/30); sheep, 40% (12/30); goats, 30% (9/30); equines, 66.67% (20/30); dogs, 93.33% (28/30). The results showed that the highest infection rate in cattle, buffaloes, and sheep was recorded in Beheira, while in goats and equines, the highest infection rate was recorded in Alexandria. In dogs, the infection rate was the same in Alexandria and Beheira. Totally the highest infection rate (64.4%) was recorded in Beheira. | ||||
| Keywords | ||||
| stained blood smears; Trypanosoma evansi; surra; Pcr; Tabanus | ||||
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